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<h2 class="title">
<a id="breaking-changes-7.1"></a>Breaking changes in 7.1<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/migration/migrate_7_1.asciidoc">edit</a>
</h2>
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<p>This section discusses the changes that you need to be aware of when migrating
your application to Elasticsearch 7.1.</p>
<p>See also <a class="xref" href="release-highlights.html" title="7.7版本的新特性"><em>7.7版本的新特性</em></a> and <a class="xref" href="es-release-notes.html" title="Release notes">Release notes</a>.</p>
<h3>
<a id="breaking_71_http_changes"></a>HTTP changes<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/migration/migrate_7_1.asciidoc">edit</a>
</h3>
<h4>
<a id="_deprecation_of_old_http_settings"></a>Deprecation of old HTTP settings<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/migration/migrate_7_1.asciidoc">edit</a>
</h4>
<p>The <code class="literal">http.tcp_no_delay</code> setting is deprecated in 7.1. It is replaced by
<code class="literal">http.tcp.no_delay</code>.</p>
<h3>
<a id="breaking_71_network_changes"></a>Network changes<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/migration/migrate_7_1.asciidoc">edit</a>
</h3>
<h4>
<a id="_deprecation_of_old_network_settings"></a>Deprecation of old network settings<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/migration/migrate_7_1.asciidoc">edit</a>
</h4>
<p>The <code class="literal">network.tcp.connect_timeout</code> setting is deprecated in 7.1. This setting
was a fallback setting for <code class="literal">transport.connect_timeout</code>. To change the default
connection timeout for client connections, modify <code class="literal">transport.connect_timeout</code>.</p>
<h3>
<a id="breaking_71_transport_changes"></a>Transport changes<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/migration/migrate_7_1.asciidoc">edit</a>
</h3>
<h4>
<a id="_deprecation_of_old_transport_settings"></a>Deprecation of old transport settings<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/migration/migrate_7_1.asciidoc">edit</a>
</h4>
<p>The following settings are deprecated in 7.1. Each setting has a replacement
setting that was introduced in 6.7.</p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<code class="literal">transport.tcp.port</code> is replaced by <code class="literal">transport.port</code>
</li>
<li class="listitem">
<code class="literal">transport.tcp.compress</code> is replaced by <code class="literal">transport.compress</code>
</li>
<li class="listitem">
<code class="literal">transport.tcp.connect_timeout</code> is replaced by <code class="literal">transport.connect_timeout</code>
</li>
<li class="listitem">
<code class="literal">transport.tcp_no_delay</code> is replaced by <code class="literal">transport.tcp.no_delay</code>
</li>
<li class="listitem">
<code class="literal">transport.profiles.profile_name.tcp_no_delay</code> is replaced by
<code class="literal">transport.profiles.profile_name.tcp.no_delay</code>
</li>
<li class="listitem">
<code class="literal">transport.profiles.profile_name.tcp_keep_alive</code> is replaced by
<code class="literal">transport.profiles.profile_name.tcp.keep_alive</code>
</li>
<li class="listitem">
<code class="literal">transport.profiles.profile_name.reuse_address</code> is replaced by
<code class="literal">transport.profiles.profile_name.tcp.reuse_address</code>
</li>
<li class="listitem">
<code class="literal">transport.profiles.profile_name.send_buffer_size</code> is replaced by <code class="literal">transport.profiles.profile_name.tcp.send_buffer_size</code>
</li>
<li class="listitem">
<code class="literal">transport.profiles.profile_name.receive_buffer_size</code> is replaced by <code class="literal">transport.profiles.profile_name.tcp.receive_buffer_size</code>
</li>
</ul>
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